PHP - Read For Learn

Conditionally loading JavaScript based on the Advanced Custom Fields in the post

ACF has finegrained filters for fields when they get loaded. add_action( ‘wp_enqueue_scripts’, ‘register_my_scripts’, 5 ); function register_my_scripts() { wp_register_script( ‘my-script’, ‘path-to/my-script.js’, array(), ‘version’, true ); } add_filter(‘acf/load_field/name=my_field_name’, ‘load_field_my_field_name’); function load_field_my_field_name( $field ) { wp_enqueue_script( ‘my-script’ ); return $field; } Normally all scripts should be enqueued in wp_enqueue_scripts hook. So you should make sure your script … Read more

Getting key value of WP_Term object in wordpress

It returns an array because Posts can have multiple categories. You just need to get the item from the array whose name you want, ($queried_object[0] for the first one), then get the value out of that the same way you would any PHP object: $name = $queried_object[0]->name; You should probably include some checks to make … Read more

WordPress Template Engine?

Correct, there is no PHP templating engine built into WordPress. This does however give you the flexibility to use a templating engine such as Twig or Blade (and I have worked on sites using each of those), or even completely headless using the REST API.

Alter query on edit.php

Few days ago I wrote a quick solution using pre_get_posts filter to hide some pages in admin area. Maybe you could use it as a good starting point for whatever you’d like to achieve. if ( is_admin() ) add_filter(‘pre_get_posts’, ‘mau_filter_admin_pages’); function mau_filter_admin_pages($query) { $query->set(‘post__not_in’, array(1,2,3) ); // Do not display posts with IDs 1, 2 … Read more

urlencoding of the_title() doesn’t work?

The the_title() echo the title. You must use get_the_title() instead. get_the_title() returns the title as string. Use <? echo urlencode(get_the_title()) ?>

Facebook Comment Count

Final version of code used: function fb_comment_count($link = ‘link’) { global $post; $url=”https://graph.facebook.com/”; $posturl = get_permalink($post->ID); $url .= $posturl; $filecontent = wp_remote_retrieve_body(wp_remote_get($url, array(‘sslverify’=>false))); $json = json_decode($filecontent); $count = $json->comments; if ($count == 0 || !isset($count)) { $count = 0; } $comments = $count; if ($count == 1) { $comments .= ‘ Comment’; } elseif ($count … Read more

How to include external page to wordpress page?

It is actually very simple. just add the following text in at begining of google_map.php page upload this page to your theme folder. go to dashboard to create a page, when create a page chose page telmplate: google map. that is it, you can read more here <?php /* Template Name: google map */ ?>

Inserting Gravity Form checkbox values into Advanced Custom Fields [closed]

My situation to tackle this problem was a bit problematic because I wanted to use the GF Update Post plugin to let my users edit their post right after they submitted the content. With the above solution ACF does not write to the db and correct ACF fields (at least not for me). My solution: … Read more

How to count the length of a post title?

There are actually two problems: The & is encoded as &, so you have to use html_entity_decode() first. Multi-byte characters need more than one byte, and strlen() will fail with them. Don’t use strlen(). So use something like this: $title = html_entity_decode( get_the_title(), ENT_XML1, ‘UTF-8’ ); $length = mb_strlen( $title, ‘utf-8’ );

How To Make Connection To WordPress Data Base In A Plugin?

I found the answer my self. First open your wp-config.php and check the bottom of file that Is that contain the below code?… if ( !defined(‘ABSPATH’) ) define(‘ABSPATH’, dirname(__FILE__) . “https://wordpress.stackexchange.com/”); If yes then add the below code to make the connection in your plugin PHP files to connect with wp-config.php file that contain Database … Read more

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